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罗汉果皂苷的微波提取(英文)
引用本文:黎海彬. 罗汉果皂苷的微波提取(英文)[J]. 食品科学, 2007, 28(3): 143-147
作者姓名:黎海彬
作者单位:广州城市职业学院生物与环境工程系 广东广州510405;
摘    要:中药罗汉果是广西特产,本文采用微波辅助提取技术,从罗汉果中提取罗汉果皂苷,并优化出最佳的微波提取功率、微波辐射时间、固液比及原料的粉碎度。结果表明,最佳的微波辐射时间是5min、微波功率是495W、原料的粉碎度为不小于0.15mm及固液比为1:30,和传统的加热提取相比较,微波辅助提取的提取时间短,但具有较高的提取率。微波辅助提取的提取时间为5min时,提取率达76.56%,而传统的加热提取时间为2h时,提取率为68.46%。

关 键 词:罗汉果   罗汉果皂苷   提取   微波  
文章编号:1002-6630(2007)03-0143-05
修稿时间:2006-03-30

Microwave Extraction of Triterpene Glucoside from Luohanguo
LI Hai-bin. Microwave Extraction of Triterpene Glucoside from Luohanguo[J]. Food Science, 2007, 28(3): 143-147
Authors:LI Hai-bin
Affiliation:Department of Biological and Environmental Engineering, Guangzhou City Polytechnic, Guangzhou 510405, China
Abstract:Luohanguo(Siraitia grosvenorii) is a special agricultural product in Guangxi province. In the present study, a new method of microwave-assisted extraction(MAE) has been used to extract triterpene glucoside from Siraitia grosvenorii. Various experimental conditions, such as microwave radiation time, microwave power, liquid/solid ratio and grinding degree of material were investigated. Optimal conditions of MAE of triterpene glucoside were determined as: duration of microwave radiation 5min, microwave power 495W, size of raw material less than 0.15mm, and ratio of liquid to solid 30:1. Comparing with conventional heating extraction, MAE of triterpene glucoside from Siraitia grosvenorii showed advantages of less time and high extraction rate. The time used with MAE is only 5 min with 76.56% extraction rate, while the conventional extraction method took two hours with about 68.46% extraction rate. This novel method is suitable for fast extraction of triterpene glucoside from Siraitia grosvenorii.
Keywords:Siraitia grosvenorii  triterpene glucoside  extraction  microwave
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